Content Grades Assessment. Commanication Contents Week 15- Nov 27-Dec 3 entific

Question

Content Grades Assessment. Commanication Contents Week 15- Nov 27-Dec 3 entific Method Hw Scientific Method HWScientific Method HW Apply the scientific method to environmental investigation. THE EXPERIMENT Researchers wanted to determine if a new organic pesticide Z was effective at killing grasshoppers that typically invade comfields. The effect of the grasshoppers in the fields is a decrease in yield which has economic consequences on the farmers. For the study two ten-acre cornfields located 1 mile apart were chosen. The comfield to the west was sprayed only with water The cornfield on the east received the same amount of water with a 10% solution of organic pesticide Z. Samples of the numbers of grasshoppers in the field were made every week for 10 weeks RESULTS West field treated only with water The number of grasshoppers in the west field doubled after ten weeks East field treated with pesticide Z The number of grasshoppers in the east field declined by 50% after 10 weeks 144 4 5 6 8 9

Explanation / Answer

8) Based on the experimental results I recommend the use of 10% organic pesticide solution to get rid of grasshoppers in the cornfield. This will increase the productivity of corn & will maintain the health of the crop.

9) Make observation about nature--> Formulate Hypothesis--> Conduct experiments--> Analyze data--> Reject or accept hypothesis

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